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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.featuretree.e4.handler;
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import java.util.List;
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import javax.inject.Named;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.taxeditor.featuretree.e4.FeatureTreeEditor;
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import eu.etaxonomy.taxeditor.featuretree.e4.operation.RemoveFeatureTreeOperation;
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/**
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* @author pplitzner
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* @since Jul 12, 2017
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*
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*/
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public class RemoveFeatureTreeHandler {
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
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@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection){
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FeatureTreeEditor editor = (FeatureTreeEditor) thisPart.getObject();
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List<FeatureTree> trees = (List<FeatureTree>) editor.getViewer().getInput();
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for (Object selectedObject : selection.toArray()) {
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FeatureTree featureTree = (FeatureTree) selectedObject;
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RemoveFeatureTreeOperation operation = new RemoveFeatureTreeOperation(featureTree, editor, editor);
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editor.addOperation(operation);
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trees.remove(featureTree);
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}
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editor.getViewer().setInput(trees);
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editor.setDirty(true);
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}
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@CanExecute
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public boolean canExecute(
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@Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
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MHandledMenuItem menuItem) {
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boolean canExecute = selection!=null && !selection.isEmpty();
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if(canExecute){
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for(Object object:selection.toArray()){
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canExecute &= object instanceof FeatureTree;
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}
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}
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canExecute &= thisPart.getObject() instanceof FeatureTreeEditor;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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